Pulitzer Prize-winning historian David M. Kennedy lectures on today’s all-volunteer U.S. military service and his recent book, “The Modern American Military.” [7:30 p.m., Los Altos Youth Center, 1 South San Antonio Road, Los Altos]

First Crush: The Maine-lobster mac and cheese, which contains Gruyere and two other cheeses, is a highlighted small plate. The grilled salmon with wild rice, shellﬁsh beurre blanc, asparagus and hedgehog mushrooms is a recommended main dish. [101 Cyril Magnin, S.F.; (415) 982-7874]